Ergonomic design: The extra-wide seat and ergonomically designed backrest ensure exceptional comfort. The upholstery of this massage-featured office chair is made of soft and breathable velvet-look fabric. Lumbar cushion with vibration massage: The removable lumbar cushion features two vibration massage points. A built-in USB port allows you to charge your devices such as tablets or smartphones during the massage. Height adjustable: The executive chair with massage can be adjusted in height to meet your individual needs. Movable: With its 360° swivel casters, the office chair can be moved effortlessly. Product specifications: Overall dimensions: 57W x 70D x 78-86H cm, seat size: 44W x 42D cm, seat height: 44-52 cm. Item weight: 10 kg. Power: 10W, 5V. Maximum load capacity: 115 kg.